Depletion of the vibrational ground state of CH₄ in absorption spectroscopy at 3.4 µm in N₂ and air in the 1–100 Torr range

Earth and Planetary Sciences

• Absorption Spectroscopy 8%
• Air 25%
• Assessment 8%
• Condition 8%
• Decay Rate 8%
• Dependence 8%
• Depletion 66%
• Detection 8%
• Diffusion 8%
• Experience 8%
• Gas 16%
• Gas Composition 8%
• Laser 25%
• Methane 100%
• Model 25%
• Molecule 8%
• Rate 8%
• Surface Pressure 50%

Physics

• Absorption Spectroscopy 8%
• Air 25%
• Assessments 8%
• Detection 8%
• Diffusivity 8%
• Gases 16%
• Ground State 16%
• Laser 25%
• Model 25%
• Molecules 8%
• Pressure 50%
• Work 8%

Chemistry

• Atomic Absorption Spectroscopy 16%
• Buffer Solution 25%
• Collisional 8%
• Concentration 16%
• Diffusion 8%
• Gas 16%
• Ground State 16%
• IR Absorption 8%
• Mid-IR Spectroscopy 8%
• Molecule 8%
• Pressure 50%
• Rate 8%